DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Notional Amounts of Outstanding Derivative Positions) (Details) - USD ($) $ in Thousands	Nov. 30, 2016	Aug. 31, 2016
Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	$ 60,120	$ 62,446
Scotiabank [Member] \| Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	29,162	30,188
Citibank N.A. [Member] \| Cash Flow Hedging [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount	$ 30,958	32,258
Citibank N.A. [Member] \| Forward Foreign Exchange Contracts [Member] \| Fair Value Hedging [Member]
Derivative [Line Items]
Derivative Liability, Notional Amount		$ 3,750

Nominal or face amount used to calculate payments on the derivative liability.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Notional Amount
-URI http://asc.fasb.org/extlink&oid=6519104

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5579245-113959

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